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(11)

EP 3 990 049 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20742596.8 (22) Date of filing: 26.06.2020

(51) International Patent Classification (IPC):  A61M 1/14(2006.01) A61B 5/145(2006.01) A61B 5/20(2006.01) A61B 5/1455(2006.01) A61B 5/00(2006.01) (52) Cooperative Patent Classification (CPC): A61B 5/1455; A61B 5/14546; A61B 5/14507; A61B 5/14503; A61B 5/0075; A61B 5/4836; A61B 5/208; A61B 5/201; A61M 1/3609; A61M 1/28; A61M 2205/3306 (86) International application number: PCT/US2020/039986 (87) International publication number: WO 2020/264422 (30.12.2020 Gazette 2020/53)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 26.06.2019 US 201962867157 P (71) Applicant: Gastroklenz Inc. San Francisco, CA 94107 (US)	(72) Inventors: YU, Eric Hsiang San Francisco, California 94107 (US) ELBADRY, Aly R. San Francisco, California 94105 (US) ROVIRA BORRAS, Carlos San Francisco, California 94131 (US) FRANCIS, Daniel Elliott Mountain View, California 94040 (US) (74) Representative: Cooley (UK) LLP  22 Bishopsgate London EC2N 4BQ London EC2N 4BQ (GB)